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Finding the Fourth Proportional to 181,459.96, 250,423.08 and 100,895.76

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Solution

The fourth proportional to 181,459.96, 250,423.08 and 100,895.76 is: 139,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,459.96 : 250,423.08 = 100,895.76 : x
  2. Step 2: Convert to fraction form
    181,459.96/250,423.08 = 100,895.76/x
  3. Step 3: Cross multiply
    181,459.96x = 250,423.08 × 100,895.76
  4. Step 4: Simplify right side
    181,459.96x = 25,266,626,978.14
  5. Step 5: Solve for x
    x = 25,266,626,978.14/181,459.96
  6. Step 6: Final answer
    x = 139,240.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.